WD expanded its My Book family of external hard drives to include a 2 TB capacity.

The new 2 TB My Book family includes: My Book Studio Edition, My Book Mac Edition, My Book Home Edition and My Book Essential Edition models.

Formatted for Mac computers, the My Book Studio Edition is equipped with FireWire 400/800 and eSATA interfaces as well as USB 2.0 interface and a 5-year limited warranty. My Book Mac Edition external drives feature a USB 2.0 interface and a 1-year limited warranty.

Equipped with continuous backup software and high-speed eSATA and Firewire 400 as well as USB 2.0 interfaces, My Book Home Edition carries a 3-year limited warranty.

My Book Essential Edition offers an easy way to add storage capacity to home or office computers. The drives are equipped with a USB 2.0 interface that provides convenience and compatibility among multiple computers.

The entire family of My Book external hard drives feature 2 TB capacities, a capacity gauge to see at a glance how much capacity is available on the drive (not available on the My Book Essential Edition drive) and a power saving feature that allows HDDs go into standby mode after 10 minutes of inactivity. In addition, the SmartPower features turns the drives on and off with the computer and Safe Shutdown that prevents the drive from being powered down until all the data has been written

The My Book Studio Edition, My Book Home Edition and My Book Essential Edition 2 TB external hard drives are available now at select retail stores and online retailers. My Book Mac Edition 2 TB external drives will be available next month. Estimated pricing ranges from $329.99 USD to $379.99 USD, depending on drive model and capacity.